ALAMEDA CREEK - NILES (NILC1)
Latitude: 37.59º NLongitude: 121.96º WElevation: 86 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Nov 14 2026 at 10:25 AM PSTNext Issuance: Nov 15 2026 at 9:00 AM PST
Action: N/A Minor Flood: 9.0 FeetModerate Flood: 10.5 FeetMajor Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Alameda Creek - Niles (NILC1)
#
# File Generation Time:  11/14/2026 at 10:26 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/13/2026 at 08:00 PM PST
# Maximum Observed Stage:                       4.90 Feet
# Maximum Observed Flow:                        883 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/18/2026 at 09:00 PM PST
# Maximum Forecast Stage:                       4.56 Feet
# Maximum Forecast Flow:                        637 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/09/2026 10 AM PST            2.66             14                        Normal
  11/09/2026 11 AM PST            2.67             14         +              Normal
  11/09/2026 12 PM PST            2.67             14         0              Normal
  11/09/2026 01 PM PST            2.67             14         0              Normal
  11/09/2026 02 PM PST            2.67             14         0              Normal
  11/09/2026 03 PM PST            2.67             14         0              Normal
  11/09/2026 04 PM PST            2.68             15         +              Normal
  11/09/2026 05 PM PST            2.71             16         +              Normal
  11/09/2026 06 PM PST            2.68             15         -              Normal
  11/09/2026 07 PM PST            2.69             15         +              Normal
  11/09/2026 08 PM PST            2.69             15         0              Normal
  11/09/2026 09 PM PST            2.70             16         +              Normal
  11/09/2026 10 PM PST            2.70             16         0              Normal
  11/09/2026 11 PM PST            2.69             15         -              Normal
  11/10/2026 12 AM PST            2.68             15         -              Normal
  11/10/2026 01 AM PST            2.67             14         -              Normal
  11/10/2026 02 AM PST            2.65             13         -              Normal
  11/10/2026 03 AM PST            2.64             13         -              Normal
  11/10/2026 04 AM PST            2.63             12         -              Normal
  11/10/2026 05 AM PST            2.62             12         -              Normal
  11/10/2026 06 AM PST            2.62             12         0              Normal
  11/10/2026 07 AM PST            2.62             12         0              Normal
  11/10/2026 08 AM PST            2.61             12         -              Normal
  11/10/2026 09 AM PST            2.61             12         0              Normal
  11/10/2026 10 AM PST            2.61             12         0              Normal
  11/10/2026 11 AM PST            2.61             12         0              Normal
  11/10/2026 12 PM PST            2.61             12         0              Normal
  11/10/2026 01 PM PST            2.62             12         +              Normal
  11/10/2026 02 PM PST            2.62             12         0              Normal
  11/10/2026 03 PM PST            2.63             12         +              Normal
  11/10/2026 04 PM PST            2.68             15         +              Normal
  11/10/2026 05 PM PST            2.75             19         +              Normal
  11/10/2026 06 PM PST            2.74             18         -              Normal
  11/10/2026 07 PM PST            2.74             18         0              Normal
  11/10/2026 08 PM PST            2.74             18         0              Normal
  11/10/2026 09 PM PST            2.74             18         0              Normal
  11/10/2026 10 PM PST            2.74             18         0              Normal
  11/10/2026 11 PM PST            2.71             16         -              Normal
  11/11/2026 12 AM PST            2.69             15         -              Normal
  11/11/2026 01 AM PST            2.67             14         -              Normal
  11/11/2026 02 AM PST            2.65             13         -              Normal
  11/11/2026 03 AM PST            2.63             12         -              Normal
  11/11/2026 04 AM PST            2.62             12         -              Normal
  11/11/2026 05 AM PST            2.61             12         -              Normal
  11/11/2026 06 AM PST            2.61             12         0              Normal
  11/11/2026 07 AM PST            2.61             12         0              Normal
  11/11/2026 08 AM PST            2.60             11         -              Normal
  11/11/2026 09 AM PST            2.60             11         0              Normal
  11/11/2026 10 AM PST            2.60             11         0              Normal
  11/11/2026 11 AM PST            2.60             11         0              Normal
  11/11/2026 12 PM PST            2.60             11         0              Normal
  11/11/2026 01 PM PST            2.60             11         0              Normal
  11/11/2026 02 PM PST            2.61             12         +              Normal
  11/11/2026 03 PM PST            2.65             13         +              Normal
  11/11/2026 04 PM PST            2.72             17         +              Normal
  11/11/2026 05 PM PST            2.75             19         +              Normal
  11/11/2026 06 PM PST            2.75             19         0              Normal
  11/11/2026 07 PM PST            2.75             19         0              Normal
  11/11/2026 08 PM PST            2.75             19         0              Normal
  11/11/2026 09 PM PST            2.75             19         0              Normal
  11/11/2026 10 PM PST            2.73             18         -              Normal
  11/11/2026 11 PM PST            2.72             17         -              Normal
  11/12/2026 12 AM PST            2.69             15         -              Normal
  11/12/2026 01 AM PST            2.67             14         -              Normal
  11/12/2026 02 AM PST            2.65             13         -              Normal
  11/12/2026 03 AM PST            2.64             13         -              Normal
  11/12/2026 04 AM PST            2.62             12         -              Normal
  11/12/2026 05 AM PST            2.62             12         0              Normal
  11/12/2026 06 AM PST            2.61             12         -              Normal
  11/12/2026 07 AM PST            2.61             12         0              Normal
  11/12/2026 08 AM PST            2.60             11         -              Normal
  11/12/2026 09 AM PST            2.60             11         0              Normal
  11/12/2026 10 AM PST            2.60             11         0              Normal
  11/12/2026 11 AM PST            2.60             11         0              Normal
  11/12/2026 12 PM PST            2.60             11         0              Normal
  11/12/2026 01 PM PST            2.60             11         0              Normal
  11/12/2026 02 PM PST            2.60             11         0              Normal
  11/12/2026 03 PM PST            2.62             12         +              Normal
  11/12/2026 04 PM PST            2.67             14         +              Normal
  11/12/2026 05 PM PST            2.71             16         +              Normal
  11/12/2026 06 PM PST            2.72             17         +              Normal
  11/12/2026 07 PM PST            2.72             17         0              Normal
  11/12/2026 08 PM PST            2.72             17         0              Normal
  11/12/2026 09 PM PST            2.72             17         0              Normal
  11/12/2026 10 PM PST            2.72             17         0              Normal
  11/12/2026 11 PM PST            2.73             18         +              Normal
  11/13/2026 12 AM PST            2.72             17         -              Normal
  11/13/2026 01 AM PST            2.72             17         0              Normal
  11/13/2026 02 AM PST            2.72             17         0              Normal
  11/13/2026 03 AM PST            2.72             17         0              Normal
  11/13/2026 04 AM PST            2.72             17         0              Normal
  11/13/2026 05 AM PST            2.72             17         0              Normal
  11/13/2026 06 AM PST            2.72             17         0              Normal
  11/13/2026 07 AM PST            2.72             17         0              Normal
  11/13/2026 08 AM PST            2.72             17         0              Normal
  11/13/2026 09 AM PST            2.72             17         0              Normal
  11/13/2026 10 AM PST            2.73             18         +              Normal
  11/13/2026 11 AM PST            2.74             18         +              Normal
  11/13/2026 12 PM PST            2.76             19         +              Normal
  11/13/2026 01 PM PST            2.79             21         +              Normal
  11/13/2026 02 PM PST            2.83             24         +              Normal
  11/13/2026 03 PM PST            2.85             25         +              Normal
  11/13/2026 04 PM PST            2.85             25         0              Normal
  11/13/2026 05 PM PST            2.85             25         0              Normal
  11/13/2026 06 PM PST            2.84             25         -              Normal
  11/13/2026 07 PM PST            2.83             24         -              Normal
  11/13/2026 08 PM PST            4.90            883         +              Normal
  11/13/2026 09 PM PST            4.67            712         -              Normal
  11/13/2026 10 PM PST            4.39            529         -              Normal
  11/13/2026 11 PM PST            4.17            403         -              Normal
  11/14/2026 12 AM PST            4.04            337         -              Normal
  11/14/2026 01 AM PST            3.97            302         -              Normal
  11/14/2026 02 AM PST            3.90            270         -              Normal
  11/14/2026 03 AM PST            3.86            252         -              Normal
  11/14/2026 04 AM PST            3.82            235         -              Normal
  11/14/2026 05 AM PST            3.78            218         -              Normal
  11/14/2026 06 AM PST            3.73            199         -              Normal
  11/14/2026 07 AM PST            3.68            181         -              Normal
  11/14/2026 08 AM PST            3.63            163         -              Normal
  11/14/2026 09 AM PST            3.59            150         -              Normal
  11/14/2026 10 AM PST            3.55            138         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/14/2026 11 AM PST            3.52            129                        Normal
  11/14/2026 12 PM PST            3.49            121         -              Normal
  11/14/2026 01 PM PST            3.46            113         -              Normal
  11/14/2026 02 PM PST            3.42            103         -              Normal
  11/14/2026 03 PM PST            3.39             96         -              Normal
  11/14/2026 04 PM PST            3.35             89         -              Normal
  11/14/2026 05 PM PST            3.32             83         -              Normal
  11/14/2026 06 PM PST            3.28             76         -              Normal
  11/14/2026 07 PM PST            3.25             71         -              Normal
  11/14/2026 08 PM PST            3.21             65         -              Normal
  11/14/2026 09 PM PST            3.17             59         -              Normal
  11/14/2026 10 PM PST            3.13             53         -              Normal
  11/14/2026 11 PM PST            3.10             50         -              Normal
  11/15/2026 12 AM PST            3.07             46         -              Normal
  11/15/2026 01 AM PST            3.04             43         -              Normal
  11/15/2026 02 AM PST            3.00             39         -              Normal
  11/15/2026 03 AM PST            2.98             37         -              Normal
  11/15/2026 04 AM PST            2.95             34         -              Normal
  11/15/2026 05 AM PST            2.92             31         -              Normal
  11/15/2026 06 AM PST            2.91             30         -              Normal
  11/15/2026 07 AM PST            2.89             29         -              Normal
  11/15/2026 08 AM PST            2.88             28         -              Normal
  11/15/2026 09 AM PST            2.86             26         -              Normal
  11/15/2026 10 AM PST            2.85             25         -              Normal
  11/15/2026 11 AM PST            2.84             25         -              Normal
  11/15/2026 12 PM PST            2.83             24         -              Normal
  11/15/2026 01 PM PST            2.83             24         0              Normal
  11/15/2026 02 PM PST            2.82             23         -              Normal
  11/15/2026 03 PM PST            2.81             23         -              Normal
  11/15/2026 04 PM PST            2.81             23         0              Normal
  11/15/2026 05 PM PST            2.80             22         -              Normal
  11/15/2026 06 PM PST            2.80             22         0              Normal
  11/15/2026 07 PM PST            2.79             21         -              Normal
  11/15/2026 08 PM PST            2.79             21         0              Normal
  11/15/2026 09 PM PST            2.81             23         +              Normal
  11/15/2026 10 PM PST            2.86             26         +              Normal
  11/15/2026 11 PM PST            2.96             35         +              Normal
  11/16/2026 12 AM PST            3.09             49         +              Normal
  11/16/2026 01 AM PST            3.27             74         +              Normal
  11/16/2026 02 AM PST            3.45            110         +              Normal
  11/16/2026 03 AM PST            3.60            154         +              Normal
  11/16/2026 04 AM PST            3.74            203         +              Normal
  11/16/2026 05 AM PST            3.85            248         +              Normal
  11/16/2026 06 AM PST            3.92            279         +              Normal
  11/16/2026 07 AM PST            3.97            302         +              Normal
  11/16/2026 08 AM PST            4.04            337         +              Normal
  11/16/2026 09 AM PST            4.08            357         +              Normal
  11/16/2026 10 AM PST            4.09            362         +              Normal
  11/16/2026 11 AM PST            4.06            347         -              Normal
  11/16/2026 12 PM PST            4.00            317         -              Normal
  11/16/2026 01 PM PST            3.95            293         -              Normal
  11/16/2026 02 PM PST            3.90            270         -              Normal
  11/16/2026 03 PM PST            3.86            252         -              Normal
  11/16/2026 04 PM PST            3.81            231         -              Normal
  11/16/2026 05 PM PST            3.76            210         -              Normal
  11/16/2026 06 PM PST            3.72            195         -              Normal
  11/16/2026 07 PM PST            3.68            181         -              Normal
  11/16/2026 08 PM PST            3.64            167         -              Normal
  11/16/2026 09 PM PST            3.59            150         -              Normal
  11/16/2026 10 PM PST            3.55            138         -              Normal
  11/16/2026 11 PM PST            3.50            124         -              Normal
  11/17/2026 12 AM PST            3.44            108         -              Normal
  11/17/2026 01 AM PST            3.38             94         -              Normal
  11/17/2026 02 AM PST            3.33             85         -              Normal
  11/17/2026 03 AM PST            3.27             74         -              Normal
  11/17/2026 04 AM PST            3.21             65         -              Normal
  11/17/2026 05 AM PST            3.16             57         -              Normal
  11/17/2026 06 AM PST            3.12             52         -              Normal
  11/17/2026 07 AM PST            3.08             47         -              Normal
  11/17/2026 08 AM PST            3.04             43         -              Normal
  11/17/2026 09 AM PST            3.00             39         -              Normal
  11/17/2026 10 AM PST            2.95             34         -              Normal
  11/17/2026 11 AM PST            2.91             30         -              Normal
  11/17/2026 12 PM PST            2.86             26         -              Normal
  11/17/2026 01 PM PST            2.82             23         -              Normal
  11/17/2026 02 PM PST            2.79             21         -              Normal
  11/17/2026 03 PM PST            2.75             19         -              Normal
  11/17/2026 04 PM PST            2.72             17         -              Normal
  11/17/2026 05 PM PST            2.69             15         -              Normal
  11/17/2026 06 PM PST            2.66             14         -              Normal
  11/17/2026 07 PM PST            2.64             13         -              Normal
  11/17/2026 08 PM PST            2.62             12         -              Normal
  11/17/2026 09 PM PST            2.61             12         -              Normal
  11/17/2026 10 PM PST            2.60             11         -              Normal
  11/17/2026 11 PM PST            2.59             11         -              Normal
  11/18/2026 12 AM PST            2.58             10         -              Normal
  11/18/2026 01 AM PST            2.57             10         -              Normal
  11/18/2026 02 AM PST            2.57             10         0              Normal
  11/18/2026 03 AM PST            2.57             10         0              Normal
  11/18/2026 04 AM PST            2.58             10         +              Normal
  11/18/2026 05 AM PST            2.63             12         +              Normal
  11/18/2026 06 AM PST            2.73             18         +              Normal
  11/18/2026 07 AM PST            2.83             24         +              Normal
  11/18/2026 08 AM PST            2.94             33         +              Normal
  11/18/2026 09 AM PST            3.04             43         +              Normal
  11/18/2026 10 AM PST            3.16             57         +              Normal
  11/18/2026 11 AM PST            3.38             94         +              Normal
  11/18/2026 12 PM PST            3.57            144         +              Normal
  11/18/2026 01 PM PST            3.75            206         +              Normal
  11/18/2026 02 PM PST            3.90            270         +              Normal
  11/18/2026 03 PM PST            4.08            357         +              Normal
  11/18/2026 04 PM PST            4.25            447         +              Normal
  11/18/2026 05 PM PST            4.35            504         +              Normal
  11/18/2026 06 PM PST            4.42            547         +              Normal
  11/18/2026 07 PM PST            4.49            591         +              Normal
  11/18/2026 08 PM PST            4.54            624         +              Normal
  11/18/2026 09 PM PST            4.56            637         +              Normal
  11/18/2026 10 PM PST            4.56            637         0              Normal
  11/18/2026 11 PM PST            4.54            624         -              Normal
  11/19/2026 12 AM PST            4.51            604         -              Normal
  11/19/2026 01 AM PST            4.49            591         -              Normal
  11/19/2026 02 AM PST            4.47            578         -              Normal
  11/19/2026 03 AM PST            4.44            559         -              Normal
  11/19/2026 04 AM PST            4.42            547         -              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.